Latest Posts

2nd Greenhouse-Hydroponic Technical Management Course

August 15, 2017
Graeme Smith Consulting

Following the success of their first Greenhouse-Hydroponic Technical Management course held in Pune, India, in February 2017, Delish Vegies and Graeme Smith Consulting have combined to convene a second training program – organisers had to decline many participants in the first course owing to limited seats. The second course will be held from 23-27 October and again include interesting topics and commercial farm set-up sessions. The course will be conducted by two expert Australian industry presenters, Graeme Smith and Rick Donnan who is a regular columnist with Practical Hydroponics & Greenhouses magazine. Also participating will be renowned agronomist from the Indian Horticulture Industry. Read More »

The Dirty Dozen

August 14, 2017
Mike Nichols

In the USA every year the Environmental Working Group (EWG) looks at the results of the US Department of Agriculture’s testing and ranks the “dirtiest” and “cleanest” fruit and vegetables in the supermarket in relation to the amount of pesticide residue they contain, both within, and on the outside.

The “bad” produce includes: apples, celery, peaches, strawberries, spinach, blueberries, and lettuce, while the “good” produce includes: onions, sweet corn, avocado, asparagus, cantaloupe, kiwifruit, cabbage, watermelon, and kumara. Read More »

What is outgoing longwave radiation and what is its influence on plants?

August 6, 2017
Hydroponic expert Rick Donnan

I notice that there was a paper titled, ‘The underestimated effects of Longwave Outgoing Radiation on your greenhouse crop” at the recent Protected Cropping Australia Conference. Would you please explain what this means. 


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A taste of paradise

July 31, 2017
PH&G Managing Editor

Welcome to the August 2017 issue of Practical Hydroponics & Greenhouses. As usual, we have a great line-up of stories awaiting your reading pleasure. How many of us have dreamed of escaping to an island paradise not only for a holiday but also perhaps to live a carefree, permanent existence? Tucked away in the Eastern Caribbean, Anguilla is the epitome of such a dream – beckoning visitors with spectacular beaches, breathtaking blue seas and a casual elegance. However, despite its idyllic lifestyle, Anguilla is relatively arid, with islanders relying on imported fresh fruit and vegetables. Read More »

Caribbean Fresh

July 31, 2017
Caribbean hydroponic farm

On the tiny Caribbean island of Anguilla, one luxury resort uses freshly supplied produce grown in its own pesticide-free, hydroponic farm.

By Christine Brown-Paul

A British Overseas Territory in the Eastern Caribbean, Anguilla comprises a small main island and several offshore islets. Its beaches range from long sandy stretches like Rendezvous Bay, overlooking neighbouring Saint Martin island, to secluded coves reached by boat, such as at Little Bay. Protected areas include Big Spring Cave, known for its prehistoric petroglyphs, and East End Pond, a wildlife conservation site. Read More »

The Final Word

July 29, 2017
Hydroponic leek

Dr Mike Nichols looks at how huge savings in water and fertiliser might be achieved by growing hydroponically in New Zealand. 

“Water, water, every where,
Nor any drop to drink.”

Ode to the Ancient Mariner by Samuel Coleridge Taylor Read More »

Should I set up a commercial aquaponic venture?

July 18, 2017
Rick Donnan

I have been a hobby grower using aquaponics for several years. I have had reasonable success although also some difficulties. I am considering setting up a commercial operation and have been reading your answers and articles on planning for commercial hydroponic growing. Would you have any extra advice relating to aquaponics, possibly organic?

Answer by RICK DONNAN Read More »